1.  The operating system is essential for the computer; without it the computer could not work.  The main function of any operating system is being an intermediary between us and the physical parts of the computer (screen, keyboard, hard disk, printer,...), making it easier to handle.

2. Windows XP Versions Home additions Professional editions These versions are almost identical. The Professional version contains few feature not found in Home version specifically: Remote Disktop Multu processor support Backup and automatic system restore Security and encrption system files restore Domain login

3. Installing WINDOS XP Preparing to Install Windows XP Professional Installing Windows XP Professional from a CD- ROM Installing Windows XP Professional over the Network Upgrading Earlier Versions of Windows to Windows XP Professional Troubleshooting Windows XP Professional Setup

4. Upgrading Earlier Versions Microsoft Windows 98 Microsoft Windows Me Microsoft Windows 2000 Professional Microsoft Windows NT Workstation 4 Microsoft Windows 95 (must be upgraded to Windows 98 first)

5. Hardware Requirements + CPU: Pentium 233 MHz or equivalent Memory: 64 MB minimum, 128 MB recommended; 4 GB random access memory (RAM) maximum Hard disk space: 1.5 GB on a 2-GB drive minimum Networking: network adapter card and related cable Display: video display adapter and monitor (VGA minimum) Other drives: CD-ROM (12x or faster recommended) or DVD drive and a high-density, 3.5-inch disk drive Accessories: keyboard and mouse or other pointing device

6. Preinstallation Checklist Verify that your hardware components meet the minimum requirements. Verify that all your hardware is listed on the HCL. Verify that the hard disk contains a minimum of 1.5 GB free space. Select the file system and format the Microsoft Windows XP Professional partition. Determine the domain or workgroup name. Determine the computer name. Create a computer account for a computer that will join a domain. Determine the Administrator account password.

7. Installing Windows XP Professional Running the Setup program Running the Setup Wizard Installing Windows XP Professional: Read and accept licensing Agreement, Select or create partition, select file system, Change regional settings, Enter Computer Name and password for Administrator Account and set Date and Time networking components Completing the installation

8. Desktop When you start your computer, the first thing you see is the desktop. The desktop is your work area.

9. The windows All the windows have the same structure;

10. Title Bar شريط العناوين The title bar contains the name of the program you are working with (Notepad) and in some cases the name of the opened document (aulaclic) also appears. In the top right corner we can find the minimize, maximize/restore, and close buttons.

11. The title bar contains the name of the program you are working with (Notepad) and in some cases the name of the opened document (aulaclic) also appears. The minimize button shrinks the window it turns it into a button located in the WindowsXP task bar. The maximize amplifies the size of the window to the whole screen. The restore button restores the window to its original state. The close button closes the window. If we' ve modified the document, we are asked if we want to save the changes before closing. The title bar.

12. The menu bar The menu bar has the program functions organized in menus. For example, when we click on File, the different operations that can be performed with files are displayed in the figure

13. scroll bars - The tool bar The tool bar contains icons to immediatelly execute some of the most often used commands. These commands can also be executed from the menu bar The scroll bars allow us to move through out the page in a quick and simple manner The status bar is used to give us certain information.This information varies depending on the window that is opened

14. The Desktop  The Desktop is the on-screen work area on which windows appear,  it' s the first screen that appears when the operating system has initialized.  In our case it will be the Windows XP desktop.  This desktop is very similar to other operating systems from Windows such Windows 95, Windows 98, Windows NT, Windows 2000,…

15. On the desktop we have icons that allow us to open the corresponding program.

16. The Bars and Start Button Task Bar. The task bar is what appears on the bottom of the screen. On the bottom left corner there is the Start button. Next we have the area for shortcuts, then the programs running, and lastly the notification area. The Start Button is the button through which we can access the entire breadth of options that Windows XP offers us. If we browse it, a menu similar to the one below will be displayed.

17. Start Button  On the top we can find the name of the current user ( aulaClic)  On the middle part there are two areas: The left area contains three separate areas divided by a thin line.  On the top third we can see Internet Explorer and Outlook Express. They are located here because these are programs included with WindowsXP.  On the next third we find all the programs that we have been using lately. MSN, Windows Media Player,... This way we have quicker access to the programs that we most frequently use.

18. On the right hand area there are icons to access the different parts of WindowsXP that are most often used: My documents, My Recent Documents, My Pictures, My Music and My Computer. With the Control Panel icon we can configure and customize the appearance of our computer. If we have any questions we can use the Help and Support that Windows offers us. With the Search icon we can find files whose location we are not sure of. The option Run allows us to directly execute certain commands, At the bottom we have the options Log Off and Turn Off Computer. The first option allows us to close the current session, and the second option allows us to restart or turn off our computer

19. The shortcuts area. Contains icons that are used to access a particular program quickly for example : The icon represents Internet Explorer Open programs. In this area we can see the buttons of the programs that are currently open and two small arrows pointing up and down.

20. The notification area This area contains icons that represent the programs that start up automatically when the computer is turned on as well as other information.